Elon Musk has joined the Israeli prime minister, Benjamin Netanyahu, in visiting a kibbutz that was attacked by Hamas on 7 October, after criticism of his endorsement of an antisemitic post on X. The owner of X, the site formerly known as Twitter, has been criticised for supporting a post on his platform that falsely claimed Jewish people were stoking hatred against white people. High-profile advertisers have also suspended spending on the site after a report that ads were appearing next to pro-Nazi content. On Monday Musk, the world’s richest man, and Netanyahu toured Kfar Aza, a kibbutz that Hamas...